toJson実装

vcs/src/main/java/one/nem/lacerta/vcs/internal/JsonUtils.java

@@ -0,0 +1,55 @@
+package one.nem.lacerta.vcs.internal;
+
+import android.provider.ContactsContract;
+
+import one.nem.lacerta.vcs.ActionType;
+import one.nem.lacerta.vcs.model.action.DeletePage;
+import one.nem.lacerta.vcs.model.action.InsertPage;
+import one.nem.lacerta.vcs.model.action.UpdatePage;
+import one.nem.lacerta.vcs.model.action.common.ActionBase;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class JsonUtils {
+
+    // TODO-rca: Injectionで実装しなおす
+
+    // Public methods
+
+    public static String toJson(Object object) {
+        ActionBase converted;
+        if (object == null) {
+            return null;
+        } else if (object instanceof ActionBase) {
+            ObjectMapper mapper = new ObjectMapper();
+            switch (((ActionBase) object).getActionType()) {
+                case INSERT_PAGE:
+                    converted = (InsertPage) object;
+                    break;
+                case UPDATE_PAGE:
+                    converted = (UpdatePage) object;
+                    break;
+                case DELETE_PAGE:
+                    converted = (DeletePage) object;
+                    break;
+                default:
+                    throw new IllegalArgumentException("Unknown action type");
+            }
+            try {
+                return mapper.writeValueAsString(converted);
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        }
+        throw new IllegalArgumentException("Unknown object type");
+    }
+
+
+    public static <T> T fromJson(String json, ActionType actionType, Class<T> clazz) {
+        return null;
+    }
+
+    // Internal methods
+
+
+}